Okla. Stat. tit. 10A, § 10A-1-3-101: Authorization to consent to medical or dental care

A. 1. Either parent or the court-appointed legal guardian of a

child may authorize, in writing, any adult person into whose care

the minor has been entrusted to consent to any:

a. x-ray examination,

b. anesthetic,

c. medical or surgical diagnosis or treatment,

d. hospital care, or

e. immunization, blood tests, examinations, Guidance

Services, and Early Intervention Services provided by

a city or county Department of Health,

to be rendered to said minor under the general or special

supervision and upon the advice of a physician and surgeon licensed

under the laws of the State of Oklahoma, or to consent to an x-ray

examination, anesthetic, dental or surgical diagnosis or treatment

and hospital care to be rendered to said minor by a dentist licensed

under the laws of the State of Oklahoma.

2. If any parent or other person falsely represents in writing

that such parent or other person has legal custody or legal

guardianship of the minor child, or if any adult falsely represents

that the written authorization provided for in this subsection is

valid, and a health professional provides health services or care as

provided by this section in good faith upon such misrepresentation,

the health professional shall incur no liability except for

negligence or intentional harm.

B. Either parent, if both parents have legal custody, or the

parent or person having legal custody or the legal guardian of a

minor may authorize, in writing, pursuant to the provisions of

Section 1-116.2 of Title 70 of the Oklahoma Statutes a school or

county nurse or in the absence of such nurse, a school administrator

or designated school employees to administer:

1. A nonprescription medicine; and

2. A filled prescription medicine as that term is defined by

Section 353.1 of Title 59 of the Oklahoma Statutes.